"Jeff Dondero imagines the supercities of the future and explores the ways in which they can be sustainably built; how transportation will move masses of people without cars; how people will be fed and what will be done with waste; and how we will move to underground cities, under the sea, far into the sky, space and on to other planets. He describes some of the smart systems for buildings and homes and some of the new ways food and materials for such masses will be supplied"--